L6258 STMicroelectronics, L6258 Datasheet - Page 11
L6258
Manufacturer Part Number
L6258
Description
Manufacturer
STMicroelectronics
Datasheet
1.L6258.pdf
(32 pages)
Specifications of L6258
Operating Current
15mA
Motor Controller Type
PWM Motor Controller
Package Type
PowerSO
Operating Supply Voltage (min)
12V
Operating Supply Voltage (typ)
34V
Operating Supply Voltage (max)
5.25V
Lead Free Status / Rohs Status
Not Compliant
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Part Number
Manufacturer
Quantity
Price
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ST
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Part Number:
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Part Number:
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Part Number:
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Manufacturer:
ST
Quantity:
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L6258
2.1
Reference voltage
The voltage applied to VREF pin is the reference for the internal DAC and, together with the
sense resistor value, defines the maximum current into the motor winding according to the
following relation:
where R
Figure 4.
s
= sense resistor value
OUTA
OUTB
OUTA
OUTB
OUTA
OUTB
Iload
Iload
Iload
Power bridge configuration
0
0
0
IN_A
I
MAX
T1
OUT_A
T3
=
0.5 V
-------------------------- -
LOAD
R
⋅
V
S
S
REF
OUT_B
=
T2
T4
---- -
FI
1
⋅
V
------------- -
R S
REF
IN_B
Functional description
D97IN624
Fig. 1A
Fig. 1B
Fig. 1C
11/32